Climate averages 1991–2020
Rangkasbitung weather
in January.
A hot, very wet month: the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Rangkasbitung: daytime highs average 28.7°C and nights cool to about 23.1°C. By daytime temperature it is the coolest month of the year.
Expect about 308 mm of rain on roughly 29 days, which makes January a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 27 min on an average January day.
The nearest other city in this atlas is Pandeglang (17 km away). In January its highs average 27.6°C, 1.1°C cooler than Rangkasbitung, with 327 mm of rain.
Among the 200 cities listed in Indonesia, Rangkasbitung ranks joint 81st of 200 for the warmest January highs and joint 97th of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Rangkasbitung is 0.5°C warmer than that mean.
From January to February, average highs rise by 0.3°C to 29.0°C, and monthly rainfall falls from 308 mm to 287 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rangkasbitung climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 28.7°C23.1°C | 23.1°C | 308 | 29.0 | 12.412 h |
| February | 29.0°C23.1°C | 23.1°C | 287 | 27.2 | 12.312 h |
| March | 29.4°C23.2°C | 23.2°C | 272 | 28.8 | 12.112 h |
| April | 29.8°C23.3°C | 23.3°C | 226 | 26.8 | 12.012 h |
| May | 30.1°C23.2°C | 23.2°C | 152 | 23.1 | 11.812 h |
| June | 30.0°C22.9°C | 22.9°C | 103 | 17.5 | 11.812 h |
| July | 30.0°C22.5°C | 22.5°C | 74 | 14.1 | 11.812 h |
| August | 30.6°C22.5°C | 22.5°C | 60 | 13.1 | 11.912 h |
| September | 31.4°C22.7°C | 22.7°C | 74 | 13.9 | 12.112 h |
| October | 31.1°C23.1°C | 23.1°C | 144 | 21.4 | 12.212 h |
| November | 30.0°C23.3°C | 23.3°C | 241 | 26.3 | 12.412 h |
| December | 28.8°C23.3°C | 23.3°C | 300 | 27.5 | 12.512 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Pandeglang in JanuaryIndonesia · 17 kmHigh 27.6°C · Low 22.6°C · 327 mm rain
- Serang in JanuaryIndonesia · 29 kmHigh 28.6°C · Low 24.1°C · 278 mm rain
- Kresek in JanuaryIndonesia · 29 kmHigh 28.8°C · Low 23.9°C · 279 mm rain
- Curug in JanuaryIndonesia · 35 kmHigh 28.9°C · Low 22.8°C · 279 mm rain
- Pasarkemis in JanuaryIndonesia · 37 kmHigh 28.7°C · Low 23.2°C · 279 mm rain
- Cilegon in JanuaryIndonesia · 44 kmHigh 28.4°C · Low 24.3°C · 286 mm rain
- Tangerang in JanuaryIndonesia · 47 kmHigh 28.7°C · Low 23.2°C · 298 mm rain
- Ciputat in JanuaryIndonesia · 51 kmHigh 28.6°C · Low 23.3°C · 298 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rangkasbitung) is explained once on the Rangkasbitung year overview and on the Sources, method and limits page.